The attribution was kindly proposed by Terence Mullaly, who compares the figure types of drawings in the Museo di Castelvecchio, Verona with those of the present drawing, T. Mullaly, Disegni veronesi del Cinquecento, Venice, 1971, nos. 92-5, illustrated. The Roman Generals in the upper storey suggest a knowledge of Farinato's series of Roman Emperors at Windsor (A.E. Popham and J. Wilde, The Italian Drawings of the XV and XVI Centuries in the Collection of His Majesty the King at Windsor Castle, London, 1949, nos. 299-300) and in the Ashmolean Museum, Oxford, K.T. Parker, Catalogue of the Collection of Drawings in the Ashmolean Museum, Italian Schools, Oxford, 1956, II, no. 222